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Question

Which of the following relations is not correct?



A
G=HTS
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B
ΔGsystem=ΔHsystemTΔSsystem
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C
TΔSsystem=ΔHsystemΔGsystem
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D
ΔHsystem=ΔGsystem+TΔSsystem
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Solution

The correct option is A $$\Delta G_{system} = \Delta H _{system} T \Delta S_{system}$$
$$G $$=$$ H - TS$$

$$\Rightarrow \Delta G_{system}=\Delta H_{system}-T\Delta S_{system}$$

$$\Rightarrow T\Delta S_{system}=\Delta H_{system}-\Delta G_{system}$$

$$\Rightarrow \Delta H_{system}=\Delta G_{system}+T\Delta S_{system}$$

Thus, option $$B$$ is not correct relation.

Hence, the correct option is $$B$$

Chemistry

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